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Quellcode-Bibliothek© Kompilation durch diese Firma[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]Datei: Calendar.vdmpp Sprache: VDMOriginal von: VDM© |
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class CalendarDefinition
values public homedir = "."; types public NameOfDayOfTheWeek = <Mon> | <Tue> | <Wed> | <Thu> | <Fri> | <Sat> | <Sun>; public NumberOfDayOfTheWeek = nat inv d == d <= 6; --number of day of the week (Sunday=0, Saturday=6); end CalendarDefinition -------------------------------------------------------------- class Calendar is subclass of CalendarDefinition -- Gregorio Calendar /* Responsibility I am a Gregorio Calendar. Abstract I calculate Gregorio Calendar by cooperating with Date class. You can get the the vernal equinox and the autumnal equinox until year 2099. My subclass has to define the set of holiday. My calculation is based on GMT, so my subclass has to calculate the diofference to GMT. */ values --difference of julianDate and modifiedJulianDate private daysDifferenceOfModifiedJulianDate = 2400000.5; private namesOfDayOfTheWeek = [<Sun>,<Mon>,<Tue>,<Wed>,<Thu>,<Fri>,<Sat>]; private daysInYear = 365.25; protected monthsInYear = 12; private correctedMonths = 14; private daysInWeek = 7; private averageDaysInMonth = 30.6001; private yearInCentury = 100; private calculationCoefficientOfDate = 122.1; private calculationCoefficientOfYear = 4800; private centuryCalculationCoefficient = 32044.9; private theDayBeforeGregorioCalendarStarted = 2299160.0; private theFirstDayOfGregorioCalendar = 1582.78; io = new IO(); instance variables protected differenceWithGMT : real := 0; protected iToday : [Date] := nil; protected Year2Holidays : map int to set of Date := { |-> }; -- { year |-> set of holidays } functions ----Comparing magnitude functions public LT: Date * Date -> bool LT(date1, date2) == date1.getModifiedJulianDate() < date2.getModifiedJulianDate(); public GT: Date * Date -> bool GT(date1,date2) == date1.getModifiedJulianDate() > date2.getModifiedJulianDate(); public LE: Date * Date -> bool LE(date1,date2) == not GT(date1,date2); public GE: Date * Date -> bool GE(date1,date2) == not LT(date1,date2); -- Is date1 value equal date2 value? public EQ: Date * Date -> bool EQ(date1,date2) == date1.getModifiedJulianDate() = date2.getModifiedJulianDate(); public min : Date -> Date -> Date min(date1)(date2) == if date1.LT(date2) then date1 else date2; public max : Date -> Date -> Date max(date1)(date2) == if date1.GT(date2) then date1 else date2; ----Query public isDateString : seq of char -- date string (yyyymmdd format) -> bool -- if correct date then true else false isDateString(yyyymmdd) == if getDateFromString(yyyymmdd) = false then false else true; -- is leap year? public isLeapYear: int -- year -> bool -- leap year or not isLeapYear(year) == year mod 400 = 0 or (year mod yearInCentury <> 0 and year mod 4 = 0); public getNumberOfDayOfTheWeek: Date -> NumberOfDayOfTheWeek getNumberOfDayOfTheWeek(date) == let modifiedJulianDate = floor(date.getModifiedJulianDate()) in (modifiedJulianDate - 4) mod daysInWeek; public getYyyymmdd: Date -> int * int * int getYyyymmdd(date) == mk_(Year(date),Month(date),day(date)); public getNameOfDayOfTheWeek : Date -> NameOfDayOfTheWeek getNameOfDayOfTheWeek(date) == namesOfDayOfTheWeek(getNumberOfDayOfTheWeek(date) + 1 public getNumberOfDayOfTheWeekFromName : NameOfDayOfTheWeek -> NumberOfDayOfTheWeek getNumberOfDayOfTheWeekFromName(nameOfDayOfTheWeek) == Sequence`Index[Calendar`Nam public firstDayOfTheWeekInMonth : int * int * NameOfDayOfTheWeek -> Date firstDayOfTheWeekInMonth(year, month,nameOfDayOfTheWeek) == let numberOfDayOfTheWeek = getNumberOfDayOfTheWeekFromName(nameOfDayOfTheWeek), firstDayOfMonth = getFirstDayOfMonth(year, month), diff = numberOfDayOfTheWeek - getNumberOfDayOfTheWeek(firstDayOfMonth) in cases true: (diff = 0) -> firstDayOfMonth, (diff > 0) -> firstDayOfMonth.plus(diff), (diff < 0) -> firstDayOfMonth.plus((daysInWeek + diff) mod daysInWeek) end; -- Get the last date which has the specified name of day of the week -- My algorithm thinks "year Y, month 13" = "year y+1, month 1", so I can month + 1 public lastDayOfTheWeekInMonth : int * int * NameOfDayOfTheWeek -> Date lastDayOfTheWeekInMonth(year, month, nameOfDayOfTheWeek) == firstDayOfTheWeekInMonth -- Get the n-th day of the week of specified month public getNthDayOfTheWeek : int * int * int * NameOfDayOfTheWeek -> Date | bool -- the date which has n-th day of the week, if not exist then false getNthDayOfTheWeek(aYear, aMonth, n, nameOfDayOfTheWeek) == let firstDayOfMonth = firstDayOfTheWeekInMonth(aYear,aMonth,nameOfDayOfTheWeek), r = firstDayOfMonth.plus(daysInWeek * (n - 1)) in cases Month(r): (aMonth) -> r, others -> false end; --new Calendar().getFirstDayOfMonth(2001,7).get_yyyy_mm_dd() = mk_( 2001,7,1 ) public getFirstDayOfMonth : int * int -> Date getFirstDayOfMonth(year, month) == getRegularDate(year, month, 1); --new Calendar().getLastDayOfMonth(2001,7).get_yyyy_mm_dd() = mk_( 2001,7,31 ) public getLastDayOfMonth : int * int -> Date getLastDayOfMonth(year, month) == getRegularDate(year, month+1, 1).minus(1); public isSunday : Date -> bool isSunday(date) == getNumberOfDayOfTheWeek(date) = 0; public isSaturday : Date -> bool isSaturday(date) == getNumberOfDayOfTheWeek(date) = 6; public isWeekday : Date -> bool isWeekday(date) == getNumberOfDayOfTheWeek(date) in set {1,...,5}; public isNotDayOff : Date -> bool isNotDayOff(date) == not isSundayOrDayoff(date); public isWeekday : NameOfDayOfTheWeek -> bool isWeekday(nameOfDayOfTheWeek) == nameOfDayOfTheWeek not in set {<Sat>,<Sun>}; -- Return how many days between date1 and date2 of nameOfDayOfTheWeek. -- include date1 and date2 iff they have the nameOfDayOfTheWeek. public getNumberOfTheDayOfWeek: Date * Date * NameOfDayOfTheWeek -> int getNumberOfTheDayOfWeek(date1,date2,nameOfDayOfTheWeek) == let numberOfDayOfTheWeek = getNumberOfDayOfTheWeekFromName(nameOfDayOfTheWeek), startDate = min(date1)(date2), endDate = max(date1)(date2), numOfDays = diffOfDates(endDate,startDate) + 1, quotient = numOfDays div daysInWeek, remainder = numOfDays mod daysInWeek, delta = if subtractDayOfTheWeek(numberOfDayOfTheWeek,getNumberOfDayOfTheWeek(startD quotient + delta /* post let startDate = min(date1)(date2), endDate = max(date1)(date2) in let setOfTheDayOfTheWeek = {day | day : Date & nameOfDayOfTheWeek = getNameOfDayOfTheW forall Date0, Date1 in set setOfTheDayOfTheWeek & startDate.LE(Date0) and Date0.LE(Date1) and Date1.LE(endDate) => diffOfDates(Date1, Date0) mod 7 = 0 and exists1 日i in set setOfTheDayOfTheWeek & diffOfDates(日i, startDate) < 6 and exists1 日j in set setOfTheDayOfTheWeek & diffOfDates(endDate, 日j) < 6 and diffOfDates(日j, 日i) = 7 * ((card setOfTheDayOfTheWeek) - 1) */ ; /* Following Japanese statement are the refinement proof by Shin Sahara and Mr. Toshiharu Yamaza 以下は、上記関数の山崎利治さんによる段階的洗練を佐原が「翻訳」した記述 pre type R = {|rng [n → n / 7 | n∈Int]|} -- 7で割った商の集合 f, t∈Int, w∈R, 0≦f≦t, h: Int → R --環準同型（ring homomorphism） post S = dom h(w) ∩ {f..t}・RESULT ≡ card(S) -- RESULTが答え （dom h(w)≡h-1(w)） --整数系を環（ring）と見て、その商環（quotient ring）への準同型写像があり、その代数系上で事後条件を満たすプログラムを作る I =｛f..t} d = t - f + 1 -- = card(I) q = d / 7 r = d \ 7 --7で割った余り とすると、 q ≦ A ≦ q+1 が成り立つ。なぜなら、 任意の連続する７日間には、必ずw曜日がちょうど１日存在する。 card(I) = 7×q + r (0≦r＜7)であるから、Iには少なくともq個の連続する７日間が存在するが、q+1個は存在しない。 余りのr日間にw曜日が存在するかも知れない。 次に、 x ++ y = (x + y) \ 7 x ┴ y = max(x - y, 0) として、 T = {h(f)..h(f) ++ (r ┴ 1)} を考える。Tは余りr日間の曜日に対応する（card(T) = r）。 すると、 A ≡ if w∈T then q + 1 els q end ここで、 x minus y = if x ≧ y then x - y els x - y + 7 end とすれば、 w∈T ⇔ (w minus h(f)) + 1 ≦ r である。なぜならば w∈T ⇔ {0..(r ┴ 1)}∋wﾕ = w minus h(f) ⇔ r ┴ 1 ≧ wﾕ ⇔ r ≧ (w minus h(f)) + 1 従って、プログラムは以下のようになる。 A(f, t w)≡ let d ≡ t - f + 1 q ≡ d / 7 r ≡ d \ 7 delta ≡ if (w minus h(f)) + 1 ≦ r then 1 els 0 end x minus y ≡ if x ≧ y then x - y els x - y + 7 end in q + delta end */ private subtractDayOfTheWeek: int * int -> int subtractDayOfTheWeek(x,y) == if x >= y then x - y else x - y + daysInWeek; --dateから、そのdateの属するyearを求める。 public Year: Date -> int Year(date) == if monthAux(date) < correctedMonths then yearAux(date) - calculationCoefficientOfYear else yearAux(date) - calculationCoefficientOfYear + 1; --dateから、そのdateの属するmonthを求める。 public Month: Date -> int Month(date) == if monthAux(date) < correctedMonths then monthAux(date) - 1 else monthAux(date) - 13; --dateから、dayを求める。 public day: Date -> int day(date) == daysFromTheBeginningOfTheMonth(date); --new Date().daysFromNewYear(getDateFrom_yyyy_mm_dd(2001,12,31)) = 365 public daysFromNewYear: Date -> int daysFromNewYear(date) == let firstDateOfYear = getDateFrom_yyyy_mm_dd(Year(date), 1, 0) in diffOfDates(date,firstDateOfYear); daysFromTheBeginningOfTheMonth: Date -> int daysFromTheBeginningOfTheMonth(date) == floor(daysFromTheBeginningOfTheMonthAsReal daysFromTheBeginningOfTheMonthAsReal: Date -> real daysFromTheBeginningOfTheMonthAsReal(date) == yyyymmddModifyAux(date) + calculationC - floor(daysInYear * yearAux(date)) - floor(averageDaysInMonth * monthAux(date)); monthAux: Date -> int --datecalculation上都合の良いMonth(4..15)を返す monthAux(date) == floor((yyyymmddModifyAux(date) + calculationCoefficientOfDate - floor(daysInYear * yea --dateをyyyymmddに変更するためのAux。 yyyymmddModifyAux: Date -> real yyyymmddModifyAux(date) == let julianDate = mjd2Jd(date.getModifiedJulianDate()), century = floor((julianDate + centuryCalculationCoefficient) / 36524.25) in if julianDate > theDayBeforeGregorioCalendarStarted then julianDate + centuryCalculationCoefficient + century - century div 4 + 0.5 else julianDate + 32082.9 + 0.5; --dateからyearを求めるためのAux。 yearAux: Date -> int --datecalculationに都合の良い補正したyear数。 yearAux(date) == floor (yyyymmddModifyAux(date) / daysInYear); public getVernalEquinoxOnGMT: int -> Date getVernalEquinoxOnGMT(year) == let y = year / 1000.0 in modifiedJulianDate2Date( julianDate2ModifiedJulianDate(1721139.2855 + 365.2421376 * year + y * y * (0.067919 - 0.0027 public getSummerSolsticeOnGMT: int -> Date getSummerSolsticeOnGMT(year) == let y = year / 1000.0 in modifiedJulianDate2Date( julianDate2ModifiedJulianDate(1721233.2486 + 365.2417284 * year - y * y * (0.053018 - 0.0093 public getAutumnalEquinoxOnGMT: int -> Date getAutumnalEquinoxOnGMT(year) == let y = year / 1000.0 in modifiedJulianDate2Date( julianDate2ModifiedJulianDate (1721325.6978 + 365.2425055 * year - y * y * (0.126689 - 0.0019 public getWinterSolsticeOnGMT: int -> Date getWinterSolsticeOnGMT(year) == let y = year / 1000.0 in modifiedJulianDate2Date( julianDate2ModifiedJulianDate(1721414.392 + 365.2428898 * year - y * y * (0.010965 - 0.00848 public getVernalEquinox : int -> Date getVernalEquinox(year) == getDateInStandardTime(getVernalEquinoxOnGMT(year)); public getSummerSolstice : int -> Date getSummerSolstice(year) == getDateInStandardTime(getSummerSolsticeOnGMT(year)); public getAutumnalEquinox : int -> Date getAutumnalEquinox(year) == getDateInStandardTime(getAutumnalEquinoxOnGMT(year)); -- Now, I can't get the right Winter Solstice in leap year public getWinterSolstice : int -> Date getWinterSolstice(year) == getDateInStandardTime(getWinterSolsticeOnGMT(year)); ----calculation public dateAdding: Date * int -> Date dateAdding(date,addNumOfDays) == date.plus(addNumOfDays); public diffOfDates: Date * Date -> int diffOfDates(date1,date2) == floor(date1.getModifiedJulianDate() - date2.getModifiedJ --dateからnumOfDaysを減算したdateを返す public dateSubtracting: Date * int -> Date dateSubtracting(date,subtractNumOfDays) == date.minus(subtractNumOfDays); ----Conversion public mjd2Jd: real -> real mjd2Jd(modifiedJulianDate) == modifiedJulianDate + daysDifferenceOfModifiedJulianDat public julianDate2ModifiedJulianDate: real -> real julianDate2ModifiedJulianDate(julianDate) == julianDate - daysDifferenceOfModifiedJu --yyyymmddを通常の値の範囲内に変換する。 --new Calendar().getRegularDate(2003, 14, 29) = getDateFrom_yyyy_mm_dd(2004, 2, 29) public getRegularDate : int * int * int -> Date getRegularDate(candidateYear, candidateOfMonth, candidateDate) == let mk_(year, month) = getRegularMonth(candidateYear, candidateOfMonth) in getDateFrom_yyyy_mm_dd(year, month, candidateDate); --年月を通常の値の範囲内に変換する。 public getRegularMonth : int * int -> int * int getRegularMonth(candidateYear, candidateOfMonth) == let year = if candidateOfMonth <= 0 then candidateYear + (candidateOfMonth - 12) div monthsInYear else candidateYear + (candidateOfMonth - 1) div monthsInYear, candidateOfMonth2 = candidateOfMonth mod monthsInYear, month = if candidateOfMonth2 = 0 then 12 else candidateOfMonth2 in mk_(year, month); --（整数三つ組の）date2Year(2001,7,1) = 2001.5 public date2Year: int * int * int -> real --dateをYear(実数)に変換した値 date2Year(year, month, day) == year + (month - 1) / monthsInYear + (day - 1.0) / daysInYear; public date2Str : Date +> seq of char date2Str(date) == date.date2Str(); public convertDateFromString : seq of char +> [Date] convertDateFromString(dateStr) == let date = getDateFromString(dateStr) in if date = false then nil else date; --以下は、休日の考慮をした機能で、サブクラスで休日の集合を定義する必要がある。 /* Query */ --２つのdateの間の休日の集合を返す。日曜日である休日も含むが、休日でない日曜日は含まない。 public getSetOfDayOffBetweenDates : Date * Date -> set of Date getSetOfDayOffBetweenDates(date1,date2) == let Date1 = min(date1)(date2), Date2 = max(date1)(date2), setOfYear = {Year(Date1),...,Year(Date2)}, setOfDayOff = dunion {getSetOfDayOff(year) | year in set setOfYear} in {dayOff | dayOff in set setOfDayOff & date1.LE(dayOff) and dayOff.LE(date2)}; --２つのdateの間の休日の数を返す。日曜日である休日も含むが、休日でない日dayOfWeekは含まない。 public getDayOffsExceptSunday: Date * Date -> int getDayOffsExceptSunday(date1,date2) == card (getSetOfDayOffBetweenDates(date1,date2 --２つのdateの間の休日あるいは日曜日の数を返す（startDateを含む） public getTheNumberOfDayOff: Date * Date -> int getTheNumberOfDayOff(date1,date2) == let Date1 = min(date1)(date2), Date2 = max(date1)(date2), numberOfSunday = getNumberOfTheDayOfWeek(Date1,Date2,<Sun>) in numberOfSunday + card getSetOfNotSundayDayOff(Date1,Date2); --２つのdateの間の休日あるいは日曜日の数を返す（startDateを含まない） public getTheNumberOfDayOffExceptStartDate: Date * Date -> int getTheNumberOfDayOffExceptStartDate(date1,date2) == let Date1 = min(date1)(date2), Date2 = max(date1)(date2) in getTheNumberOfDayOff(Date1.plus( 1), Date2); private getSetOfNotSundayDayOff : Date * Date -> set of Date getSetOfNotSundayDayOff(date1,date2) == let setOfDayOff = getSetOfDayOffBetweenDates(date1,date2) in {dayOff | dayOff in set setOfDayOff & not isSunday(dayOff)}; --日曜日である休日の集合を返す public getDayOffsAndSunday : Date * Date -> set of Date getDayOffsAndSunday(date1,date2) == let setOfDayOff = getSetOfDayOffBetweenDates(date1,date2) in {dayOff | dayOff in set setOfDayOff & isSunday(dayOff)}; /* Conversion */ --休日でないdateを返す（未来へ向かって探索する） public getFutureWeekday : Date-> Date getFutureWeekday(date) == cases isSundayOrDayoff(date) or isSaturday(date): (true) -> getFutureWeekday(date.plus( 1)), others -> date end measure getFutureWeekdayMeasure; getFutureWeekdayMeasure : Date +> nat getFutureWeekdayMeasure(d) == -d.getModifiedJulianDate(); --休日でないdateを返す（過去へ向かって探索する） public getPastWeekday : Date-> Date getPastWeekday(date) == cases isSundayOrDayoff(date) or isSaturday(date): (true) -> getPastWeekday (date.minus(1)), others -> date end measure getPastWeekdaymeasure; getPastWeekdaymeasure : Date +> nat getPastWeekdaymeasure(d) == d.getModifiedJulianDate(); --与えられた平日に、平日n日分を加算する public addWeekday : Date * int -> Date addWeekday(date,addNumOfDays) == addWeekdayAux(getFutureWeekday(date),addNumOfDays public addWeekdayAux : Date * int -> Date addWeekdayAux(date,addNumOfDays) == cases isSundayOrDayoff(date) or isSaturday(date): (true) -> addWeekdayAux(date.plus(1),addNumOfDays), others -> if addNumOfDays <= 0 then date else addWeekdayAux(date.plus(1), addNumOfDays-1) end measure restOfNumberOfDay; restOfNumberOfDay : Date * int +> nat restOfNumberOfDay(-, numOfDays) == if numOfDays <= 0 then 0 else numOfDays - 1; --与えられた平日に、平日n日分を減算する public subtractWeekday : Date * int -> Date subtractWeekday(date,subtractNumOfDays) == subtractWeekdayAux(getPastWeekday(date) public subtractWeekdayAux : Date * int -> Date subtractWeekdayAux(date,subtractNumOfDays) == cases isSundayOrDayoff(date) or isSaturday(date): (true) -> subtractWeekdayAux(date.minus(1),subtractNumOfDays), others -> if subtractNumOfDays <= 0 then date else subtractWeekdayAux(date.minus(1), subtractNumOfDays-1) end measure restOfNumberOfDay; /* Query */ public isDayOff : Date -> bool isDayOff(date) == let setOfDayOff = {d.getModifiedJulianDate() | d in set getSetOfDayOff(date.Year())} in date.getModifiedJulianDate() in set setOfDayOff; public isSundayOrDayoff : Date -> bool isSundayOrDayoff(date) == isSunday(date) or isDayOff(date); public isInDateSet : Date * set of Date -> bool isInDateSet(date, aNationalHolidaySet) == ( let holidaySetByModifiedJulianDate = {floor d.getModifiedJulianDate() | d in set aNationa in date.getModifiedJulianDate() in set holidaySetByModifiedJulianDate ); operations public modifiedJulianDate2Date: real ==> Date modifiedJulianDate2Date(modifiedJulianDate) == return new Date(self,modifiedJulianDate); public getDateFrom_yyyy_mm_dd: int * int * int ==> Date getDateFrom_yyyy_mm_dd(year, month, day) == let [y,m] = if (month > correctedMonths - monthsInYear) then [year + calculationCoefficientOfYear , month + 1] else [year + calculationCoefficientOfYear - 1 , month + correctedMonths - 1], century = y div yearInCentury, centuryCoefficient = if (date2Year(year, month, day) > theFirstDayOfGregorioCalendar) the century div 4 - century - 32167.0 else -32205.0, haldDay = 0.5 in return modifiedJulianDate2Date(floor(daysInYear * y) + floor(averageDaysInMonth * m) + day + centuryCoefficient - haldDay - daysDifferenceOfModif public getDateFromString : seq of char --yyyymmdd ==> Date | bool -- if not date then false getDateFromString(yyyymmdd) == (if not String`isDigits(yyyymmdd) then return false; let yyyymmddByInt = String`asInteger(yyyymmdd), year = yyyymmddByInt div 10000, mmddByInt = yyyymmddByInt mod 10000, month = mmddByInt div 100, day = mmddByInt mod 100 in if getDateFrom_yyyy_mm_dd(year,month,day).date2Str() = yyyymmdd then return getDateFrom_yyyy_mm_dd(year,month,day) else return false ); public getDateInStandardTime : Date ==> Date getDateInStandardTime(date) == return modifiedJulianDate2Date (date.getModifiedJulianDate() + date.calendar().getDi public getDayOfTheWeekInYear : int * NameOfDayOfTheWeek ==> set of Date getDayOfTheWeekInYear(year,dayOfWeek) == ( dcl aSetOfTheDayOfWeek : set of Date := {}, date : Date := self.getNthDayOfTheWeek(year,1,1,dayOfWeek); while date.LE(self.lastDayOfTheWeekInMonth(year,12,dayOfWeek)) do ( aSetOfTheDayOfWeek := aSetOfTheDayOfWeek union {date}; date := date.plus(7) ); return aSetOfTheDayOfWeek ); public getDifferenceWithGMT : () ==> real getDifferenceWithGMT() == return differenceWithGMT; public setDifferenceWithGMT : (real) ==> () setDifferenceWithGMT(diff) == differenceWithGMT := diff; public setTheSetOfDayOffs: int ==> () setTheSetOfDayOffs(-) == is subclass responsibility; public getSetOfDayOff: int ==> set of Date getSetOfDayOff(aYear) == ( if not aYear in set dom Year2Holidays then self.setTheSetOfDayOffs(aYear); return self.Year2Holidays(aYear) ); --read todayfrom a file public readToday : seq of char ==> [Date] readToday(fname) == let mk_(r, mk_(y, m, d)) = io.freadval[int * int * int](fname) in if r then return getDateFrom_yyyy_mm_dd(y,m,d) else let - = io.echo("Can't read today's data file.") in return nil; --stub functions for getting today public today: () ==> Date today() == if iToday = nil then return readToday(homedir ^ "/temp/Today.txt") else return iToday; --todayのdateを指定したreadFromFile。 public readFromFiletoday: seq of char ==> Date readFromFiletoday(fname) == if iToday = nil then return readToday(fname) else return iToday; public setToday : Date ==> () setToday(date) == iToday := date; public todayOnBusiness: () ==> Date todayOnBusiness() == is subclass responsibility; public setTodayOnBusiness : Date ==> () setTodayOnBusiness(-) == is subclass responsibility; public todayOnCompany: seq of char ==> Date todayOnCompany(companyCode) == is subclass responsibility; public setTodayOnCompany : seq of char * Date ==> () setTodayOnCompany(companyCode,-) == is subclass responsibility; end Calendar ¤ Dauer der Verarbeitung: 0.6 Sekunden (vorverarbeitet) ¤ |
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